C-Peptide test

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Know more about C-Peptide test

A C-peptide test is done to: Help tell the difference between type 1 diabetes and type 2 diabetes. Find the cause of low blood sugar (hypoglycemia). Check to see whether a tumor of the pancreas (insulinoma) was completely removed.

Symptoms of hypoglycemia include: 

Sweating

Palpitations

Hunger

Confusion

Blurred vision

Fainting

In severe cases, seizures and loss of consciousness

A high level of C-peptide generally indicates a high level of endogenous insulin production. This may be in response to a high blood glucose caused by glucose intake and/or insulin resistance. A high level of C-peptide is also seen with insulinomas and may be seen with low blood potassium, Cushing syndrome, and renal failure.

When used for monitoring, decreasing levels of C-peptide in someone with an insulinoma indicate a response to treatment; levels that are increasing may indicate a tumor recurrence.

A low level of C-peptide is associated with a low level of insulin production. This can occur when insufficient insulin is being produced by the beta cells, with diabetes for example, or when production is suppressed by treatment with exogenous insulin.

Eat well. Make a diabetes meal plan with help from your health care team. Choose foods that are lower in calories, saturated fat, trans fat, sugar, and salt. Eat foods with more fiber, such as whole grain cereals, breads, crackers, rice, or pasta.

A cell-based diabetes treatment has been developed by scientists who say it could eliminate the need for those with the condition to inject insulin. 

 

The therapy involves a capsule of genetically engineered cells implanted under the skin that automatically release insulin as required. Diabetic mice that were treated with the cells were found to have normal blood sugar levels for several weeks. 

Test Method 1 : A C-peptide test is not ordered to help diagnose diabetes, but when a person has been newly diagnosed with diabetes, it may be ordered by itself or along with an insulin level to help determine how much insulin a person's pancreas is still producing (endogenous insulin). 

In type 2 diabetes, the body is resistant to the effects of insulin (insulin resistance) and it compensates by producing and releasing more insulin, which can also lead to beta cell damage. Type 2 diabetics usually are treated with oral drugs to stimulate their body to make more insulin and/or to cause their cells to be more sensitive to the insulin that is already being made. Eventually, because of the beta cell damage, type 2 diabetics may make very little insulin and require injections. Any insulin that the body does make will be reflected in the C-peptide level; therefore, the C-peptide test can be used to monitor beta cell activity and capability over time and to help a health practitioner determine when to begin insulin treatment. 

People who are on insulin therapy, regardless of the source of the insulin, may develop antibodies to insulin. These typically interfere with tests for insulin, making it nearly impossible to directly evaluate endogenous insulin production. In these cases, C-peptide measurement is a useful alternative to testing for insulin. 

C-peptide measurements can also be used in conjunction with insulin and glucose levels to help diagnose the cause of documented hypoglycemia and to monitor its treatment. Symptoms of hypoglycemia may be caused by excessive supplementation of insulin, alcohol consumption, inherited liver enzyme deficiencies, liver or kidney disease, or by insulinomas. 

The C-peptide test may be used to help diagnose Insulinomas. These are tumors of the islet cells in the pancreas that can produce uncontrolled amounts of insulin and C-peptide and can cause acute episodes of hypoglycemia. C-peptide tests may be used to monitor the effectiveness of insulinoma treatment and to detect recurrence. 

Sometimes a C-peptide test may be used to help evaluate a person diagnosed with metabolic syndrome, a set of risk factors that includes abdominal obesity, increased blood glucose and/or insulin resistance, unhealthy blood lipid levels, and high blood pressure (hypertension). 

Rarely, when someone has had his pancreas removed or has had pancreas islet cell transplants, intended to restore the ability to make insulin, C-peptide levels may be used to verify the effectiveness of treatment and continued success of the procedure. 

Report available : Turn around time is 24 hours. 

The person having the following symptoms of hypoglycemia: 

Sweating

Palpitations

Hunger

Confusion

Blurred vision

Fainting

In severe cases, seizures and loss of consciousness